Marvel Presents (1975) #1

1st appearance of Ulysses Bloodstone

1st appearance of the Bloodgem

"Dweller from the Depths!"

Ulysses Bloodstone battles a creature the Possessor calls from the sea.

"The Lurker Within"

Bloodstone fights the Possessor and during the battle the Possessor attempts to possess Bloodstone and is able to reach into Bloodstone's mind and see his life before he obtained the bloodstone.